Home / 231,835.30-347,666.55-161,505.70

Finding the Fourth Proportional to 231,835.30, 347,666.55 and 161,505.70

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Solution

The fourth proportional to 231,835.30, 347,666.55 and 161,505.70 is: 242,198.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,835.30 : 347,666.55 = 161,505.70 : x
  2. Step 2: Convert to fraction form
    231,835.30/347,666.55 = 161,505.70/x
  3. Step 3: Cross multiply
    231,835.30x = 347,666.55 × 161,505.70
  4. Step 4: Simplify right side
    231,835.30x = 56,150,129,524.34
  5. Step 5: Solve for x
    x = 56,150,129,524.34/231,835.30
  6. Step 6: Final answer
    x = 242,198.36

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.